/*
 * Copyright 2023-2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.ballcat.apisignature;

/**
 * 用户主题持有者。用于在请求处理过程中传递用户主体信息。
 *
 * @author Hccake
 * @since 2.0.0
 */
public final class SubjectHolder {

	private SubjectHolder() {
	}

	private static final ThreadLocal<Object> CONTEXT = new ThreadLocal<>();

	public static void setSubject(Object subject) {
		CONTEXT.set(subject);
	}

	public static Object getSubject() {
		return CONTEXT.get();
	}

	public static void clear() {
		CONTEXT.remove();
	}

}
